GE Emerson IC695ALG600 8-Channel Universal Isolated Analog Input Module

Manufacturer Background: Former GE Intelligent Platforms, now Emerson Automation; IC695ALG600 is flagship universal analog input module for RX3i PACSystems rack. 8 multi-type configurable analog channels split into two galvanically isolated groups (4ch/group), supports voltage, current, RTD, thermocouple, resistance signals. Widely used in power, petrochemical, water treatment, turbine/compressor process monitoring, compliant with UL, CE, IEC 61131, API 670 machinery protection standards.

Part Number Breakdown: IC695ALG600 - IC695: RX3i universal backplane I/O series - ALG: Analog I/O module family - 600: Universal multi-signal analog input model (8ch isolated)

Product Type: Single-slot hot-swappable rack plug-in universal analog input card; each channel independently software-configurable via Proficy Machine Edition; built-in dual cold junction compensation (CJC) for thermocouple temperature measurement; two isolated 4-channel groups to suppress cross-interference and ground loop noise.

Matching System Components: RX3i universal backplane rack (4/8/14 slot); RX3i CPU firmware ≥V2.80; IC694TBB032 / IC694TBS032 analog terminal block; 24VDC rack power supply IC695PSD140E / PSA140E; Proficy Machine Edition programming software; industrial transmitters (4–20mA, RTD, TC, pressure/flow transducers).

Core Hardware Overview: 1. Channel & Isolation Architecture - Total 8 input channels, divided into Group 1 (CH1–4) / Group 2 (CH5–8) - 2kV galvanic isolation between two groups; no cross-talk between groups - Two integrated CJC channels for thermocouple cold junction temperature compensation 2. Supported Signal Types (per channel independent config) - Current: ±20mA, 0–20mA, 4–20mA (internal 249Ω shunt resistor via jumper) - Voltage: ±10V, 0–10V, 0–5V, 1–5V, ±50mV, ±150mV (high impedance >1MΩ jumper mode) - RTD: Pt100/Pt1000 (385/3916), Ni, Cu, NiFe types, max wire resistance 25Ω - Thermocouple: B/C/E/J/K/N/R/S/T standard industrial types - Resistance: 0–250/500/1000/2000/3000/4000Ω 3. Sampling & Accuracy - Resolution: 11~16bit adjustable via digital filter setting - Configurable filter cut-off: 8/12/16/40/200/1000Hz anti-aliasing filter - Floating-point linear scaling for engineering unit conversion 4. Front Panel Status LEDs - MOD OK: Module power & internal logic normal - FLD ALM: At least one channel fault / open sensor wire - TB DETECT: Terminal block inserted detection indicator 5. Electrical & Mechanical Spec - Power consumption: Max 5.4W (5V 400mA + 3.3V 350mA from rack backplane) - Hot-swappable without rack power shutdown - Net weight ~0.18kg; single standard RX3i slot footprint 6. Environmental Ratings - Operating temp: 0°C ~ +60°C cabinet inlet air - Storage: -40°C ~ +85°C; humidity 5%~95% non-condensing - IEC 60068 vibration & shock certified for industrial cabinets

1. Product Overview

IC695ALG600 is Emerson GE RX3i universal isolated analog input module designed for multi-type process signal acquisition. Its biggest advantage is full channel flexibility: each of the 8 channels can be separately set to current, voltage, RTD or thermocouple without fixed grouping restrictions, greatly reducing spare module inventory for mixed measurement cabinets. Two fully isolated 4-channel groups eliminate ground loop interference caused by multi-point distributed sensors, improving stability in large petrochemical and power plant control systems. Built-in CJC circuit removes external cold junction boxes for thermocouple temperature measurement, simplifying field wiring. Configurable digital filters suppress high-frequency noise from inverters and switchgear, ensuring stable analog readings. Hot-swap design allows maintenance without stopping the entire PLC rack; rich diagnostic LEDs quickly locate broken sensor wires, loose terminals or channel overrange faults. Widely used for turbine bearing temperature, compressor pressure/flow, boiler water level and all-around process variable monitoring.

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